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Naphthenic acid removal in model and real aviation kerosene mixture
Chemical Engineering Communications ( IF 2.5 ) Pub Date : 2020-06-26
Débora F. Santos, Andréa R. Chaves, Indianara C. Ostroski

Bovine bone activated charcoal (CAB) was evaluated for its ability to remove n- dodecanoic carboxylic acid (ACD) in model and real mixture of aviation kerosene through kinetic and adsorption equilibrium data. In the kinetic test, for both model and real mixture, equilibrium was reached in 180 min, and this result indicated relatively fast adsorption when compared to the use of other adsorbents presented in the literature, such as mesoporous sieves and modified perovskites. In the adsorption isotherm, it was found that the amount adsorbed in the equilibrium in model and real mixture was 600 and 780 mg g−1, respectively. The model with the best fit was that of Freundlich. CAB also proved to be more efficient at removing ACD, when compared to the polymer filtration system used by the fuel distribution company. Thus, CAB can become a viable, inexpensive option with the possibility of regeneration to be used as a filter material.



中文翻译:

模型和实际航空煤油混合物中的环烷酸去除

通过动力学和吸附平衡数据评估了牛骨活性炭(CAB)在航空煤油的模型和实际混合物中去除正十二烷羧酸(ACD)的能力。在动力学测试中,对于模型混合物和实际混合物,均在180分钟内达到平衡,并且与使用文献中介绍的其他吸附剂(如中孔筛和改性钙钛矿)相比,该结果表明吸附相对较快。在吸附等温线中,发现模型和实际混合物在平衡状态下的吸附量分别为600和780 mg g -1, 分别。最合适的模型是Freundlich。与燃料分配公司使用的聚合物过滤系统相比,CAB在去除ACD方面也更有效。因此,CAB可以成为可行的,廉价的选择,并有可能将其用作过滤材料。

更新日期:2020-06-26
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